Affiliation: | 1. Institute of Engineering Mechanics, Beijing Jiaotong University, Beijing 100044, PR China;2. School of Science, Hebei University of Architecture, Zhangjiakou 075000, PR China;1. Department of Structures for Engineering and Architecture, University of Naples Federico II, via Claudio 25, 80121 Naples, Italy;2. Department of Civil Engineering, University of Salerno, 84084 Fisciano (Sa), Italy;3. Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, via G. Di Biasio 43, 03043 Cassino (FR), Italy;1. Department of Mathematics, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia;2. Department of Mathematics and Statistics, Faculty of Science, King Faisal University, P.O. Box 400, Hofuf 31982, Saudi Arabia;3. Department of Mathematics, Faculty of Science, Kafrelsheikh University, Kafrelsheikh 33516, Egypt |